Multi-station automobile part machining tool

Abstract

The utility model relates to a multi-station automobile part machining tool which mainly solves the problems that in the prior art, operation is complex, efficiency is low, and riveting quality is unstable. The tool comprises a supporting frame, a rotating disc, a base, a pressing mechanism, a discharging mechanism and the like, efficient switching among multiple stations is achieved through accurate control of the rotating disc, and the machining efficiency is improved; the pressing mechanism drives a pressing plate through an air cylinder, uniform pressure on a riveting column is achieved, tight riveting of a workpiece and a reinforcing plate is ensured, and the riveting quality is improved; the discharging mechanism is combined with the transverse moving mechanism and the longitudinal moving mechanism, a double-end air cylinder drives a clamping plate to accurately clamp a workpiece, the workpiece is smoothly transferred through a material guiding plate, the problem that the workpiece is not accurately transferred after riveting is completed is solved, and the workpiece transferring efficiency and precision are improved. The tool is reasonable in structure, high in automation degree and high in precision, and the production efficiency, the machining quality and the safety of automobile part machining can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile part machining, specifically relates to a multi-station automobile part machining tool. BACKGROUND

[0002] The automobile part machining tool refers to a tool device for machining, riveting, assembling and other operations of automobile parts through mechanical means. With the rapid development of the automobile industry, higher requirements are put forward for the precision machining and efficient production of automobile parts, especially in the batch production process, how to improve the machining efficiency, ensure the machining precision and reduce the space occupation has become a technical problem to be solved.

[0003] At present, the traditional automobile part machining tool has the following problems: first, the existing tool usually only operates on a single station, cannot switch and cooperate between multiple stations, which not only affects the production efficiency, but also increases the space occupation and investment cost of the equipment. Secondly, the existing riveting device is complex in operation process and needs manual intervention, which is easy to cause the position deviation of the workpiece or the riveting is not firm, resulting in unstable production quality. Finally, the existing tool mostly fails to accurately transfer the riveted workpiece and the reinforcing plate after completing the riveting operation, and the transfer process is prone to inaccurate positioning of the workpiece, affecting the smooth progress of the subsequent process. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model aims to provide a multi-station automobile part machining tool, which adopts a turntable drive, a cylinder drive pressing plate for riveting, and is equipped with an accurate horizontal and vertical movement mechanism to realize an efficient and accurate workpiece machining process. The tool not only effectively reduces the space occupation, but also improves the riveting efficiency of the workpiece and the reinforcing plate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A multi-station automobile part machining tool, comprising a support frame, a rotary table is arranged on the support frame, the rotary table comprises a turntable rotatably connected to the upper end surface of the support frame, and a motor is arranged at the bottom of the turntable for driving the rotation of the turntable;

[0007] The upper end surface of the turntable is provided with a base at equal intervals around the axis, and the base is used for placing the workpiece to be machined;

[0008] A pressing mechanism is arranged on the upper end surface of the support frame, the pressing mechanism comprises a mounting frame connected to the upper end surface of the support frame, a cylinder connected to the top of the mounting frame, a pressing plate connected to the extension end of the cylinder, and a riveting pressing block connected to the lower end surface of the pressing plate.

[0009] Further, the upper end face of the rotating disc is provided with a positioning through slot, and the positioning through slot is used for limiting the position of the base.

[0010] Further, the top of the base is fixedly connected with a supporting block, the top of the supporting block is provided with a workpiece to be machined, the upper end face of the workpiece is fixedly connected with riveting columns in a symmetrical manner, and a reinforcing plate is arranged on the riveting columns.

[0011] The upper end face of the supporting block is fixedly connected with positioning columns in a symmetrical manner, and the positioning columns pass through the workpiece.

[0012] Further, the riveting pressing block comprises a connecting plate connected to the bottom of the pressing plate, the lower end face of the connecting plate is fixedly connected with riveting pressing heads in a symmetrical manner, and the riveting pressing heads correspond to the riveting columns.

[0013] Further, the upper end face of the pressing plate is fixedly connected with guide columns in a symmetrical manner, and the guide columns pass through the mounting frame.

[0014] Further, the upper end face of the supporting frame is provided with a blanking mechanism.

[0015] The upper end face of the supporting frame is fixedly connected with a stand column.

[0016] The blanking mechanism comprises a transverse moving mechanism connected to the side surface of the top of the stand column, the telescopic end of the transverse moving mechanism is connected with a longitudinal moving mechanism, the telescopic end of the longitudinal moving mechanism is connected with a double-head cylinder, and the two ends of the double-head cylinder are connected with clamping plates.

[0017] The upper end face of the supporting frame is provided with a guide plate, and the guide plate is located directly below the double-head cylinder.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] Firstly, in view of the inconvenient operation and low efficiency of the existing multi-station machining tool, the utility model realizes efficient switching between multiple stations through the cooperation of the rotating disc and the base. The rotating disc can be accurately driven by the motor, ensuring the accurate operation position of each station and reducing the time waste in the operation process. Meanwhile, the design of the rotating disc enables the base to automatically switch between different stations, saving the time for station adjustment and greatly improving the production efficiency. Through the accurate control of the rotating disc, the position and machining precision of each workpiece to be machined on multiple stations can be ensured, and the rework problem caused by inaccurate workpiece position in the traditional tooling can be avoided.

[0020] Secondly, in order to solve the problems of complex operation, inaccurate positioning of workpieces and unstable riveting quality in the riveting process in the traditional tooling, the utility model discloses a down-pressing mechanism. Through the driving of the cylinder to move the pressing plate downward, the precise cooperation of the pressing plate and the riveting pressing block can apply uniform and stable pressure to the riveting column, so that the reinforcing plate and the workpiece realize close riveting, and the riveting quality and strength are ensured. The design of the riveting pressing block is accurate, wear-resistant materials are adopted, the service life is improved, and at the same time, the guiding design of the pressing plate and the mounting frame ensures the stability and accuracy of the pressing plate during movement, avoids deviation during the riveting process, and further improves the machining precision.

[0021] In addition, in order to solve the problems of inconvenient and inaccurate workpiece transfer after riveting in the prior art, the utility model discloses an efficient unloading mechanism. The mechanism comprises a transverse and longitudinal movement mechanism, the double-head cylinder drives the clamping plate to accurately clamp the riveted workpiece, and the workpiece is smoothly transferred to the material receiving area through the guide plate. The combination of the transverse and longitudinal movement mechanisms enables the workpiece to be accurately and quickly transferred, avoiding the inaccurate positioning or jamming of the workpiece during the transfer process in the traditional tooling. The smooth surface and reasonable design of the guide plate reduce the friction during the sliding of the workpiece, ensure the stable unloading of the workpiece, and improve the continuity and reliability of the entire machining process.

[0022] In summary, the utility model solves the deficiencies of multi-station operation, riveting precision and workpiece transfer in the prior art by the combination of the multi-station turntable, the accurate riveting pressing block and the efficient unloading mechanism, can significantly improve the efficiency, precision and automation level of automobile part machining, reduces the equipment occupation space and the manual intervention, and improves the stability and safety of production. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the utility model;

[0024] Figure 2 It is a structural schematic view of the support frame of the utility model;

[0025] Figure 3 It is Figure 2 It is an enlarged schematic view of A in the middle;

[0026] Figure 4 It is a structural schematic view of the rotary table of the utility model;

[0027] Figure 5 It is a structural schematic view of the base of the utility model;

[0028] Figure 6 It is a structural schematic view of the down-pressing mechanism of the utility model;

[0029] Figure 7 It isFigure 6 Enlarged schematic view at B.

[0030] In the drawings, the components represented by the reference numbers are listed as follows:

[0031] 1, support frame;

[0032] 11, column; 12, guide plate;

[0033] 2, turntable;

[0034] 21, turntable; 211, positioning slot; 22, motor;

[0035] 3, base;

[0036] 31, support block; 311, positioning column; 32, workpiece; 321, riveting column; 33, reinforcing plate;

[0037] 4, pressing mechanism;

[0038] 41, mounting frame; 42, air cylinder; 43, pressing plate; 431, guide column; 44, riveting pressing block; 441, connecting plate; 442, riveting pressing head;

[0039] 5, blanking mechanism;

[0040] 51, horizontal movement mechanism; 52, vertical movement mechanism; 53, double-head air cylinder; 531, clamping plate. DETAILED DESCRIPTION

[0041] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0042] Referring to Figures 1-7 A multi-station automobile part machining tool, comprising a support frame 1, the support frame 1 is provided with a turntable 2, the turntable 2 comprises a turntable 21 rotatably connected to the upper end surface of the support frame 1, and the bottom of the turntable 21 is provided with a motor 22 for driving the turntable 21 to rotate; the motor 22 adopts a direct current motor with model number XYZ-150, and the power is 150W; the motor 22 is connected with the turntable 21 through a shaft coupling, so as to ensure stable rotation. The rotation of the turntable 21 can accurately control the operation position of each station, and the turntable 21 is connected with the support frame 1 through a rolling bearing, so as to ensure the stability and high precision during long time use.

[0043] The upper end face of the rotating disc 21 is provided with a base 3 at equal intervals around the central axis thereof, and the base 3 is used for placing a workpiece 32 to be machined; the base 3 is made of high-strength aluminum alloy (model: 6061-T6), has strong wear resistance and corrosion resistance, and ensures stability and high-efficiency machining in long-term use. The design of the base 3 ensures accurate positioning of the workpiece 32, and through the combination of the base 3 and the rotating disc 21, the machining position of the workpiece 32 can be conveniently adjusted, thereby maximizing the machining efficiency.

[0044] The upper end face of the support frame 1 is provided with a pressing mechanism 4, and the pressing mechanism 4 comprises a mounting frame 41 connected to the upper end face of the support frame 1; the mounting frame 41 is made of high-quality steel (model: Q235), has high strength and good impact resistance, and can stably support a pneumatic cylinder 42 and other components. The top of the mounting frame 41 is connected with the pneumatic cylinder 42, and the pneumatic cylinder 42 is a pneumatic actuator with a model of SY3B-63, has large thrust and stability, and can ensure accurate movement of a pressing plate 43. The pneumatic cylinder 42 is connected with the pressing plate 43 at the telescopic end thereof, and the pressing plate 43 is made of stainless steel material (model: 304) with high temperature resistance and corrosion resistance. The lower end face of the pressing plate 43 is connected with a riveting block 44. The riveting block 44 is made of hardened steel (model: 45#), which can provide sufficient pressure during riveting and will not be worn out in long-term use.

[0045] Referring to Figures 1-7 , the upper end face of the rotating disc 21 is provided with a positioning through slot 211, and the positioning through slot 211 is used for limiting the position of the base 3. The positioning through slot 211 is processed by precise machining technology, which ensures that the base 3 can be accurately positioned on the rotating disc 21 and accurately switched between multiple workstations. The design of the positioning through slot 211 avoids the position deviation of the base 3 during rotation, thereby improving the stability during machining.

[0046] Referring to Figures 1-7 , the top of the base 3 is fixedly connected with a support block 31, and the support block 31 is made of aluminum alloy material (model: 6061-T6), which has good strength and lightness during machining. The top of the support block 31 is provided with a workpiece 32 to be machined, and the upper end face of the workpiece 32 is fixedly connected with a riveting column 321 in a symmetrical manner. The riveting column 321 is made of high-strength steel (model: 42CrMo), has excellent wear resistance and high strength, and ensures that no deformation occurs during riveting. A reinforcing plate 33 is sleeved on the riveting column 321, and the reinforcing plate 33 is made of stainless steel material (model: 304), has good corrosion resistance, and ensures long-term stability in high-temperature or corrosive environments. The upper end face of the support block 31 is fixedly connected with a positioning column 311 in a symmetrical manner, and the positioning column 311 is made of wear-resistant steel (model: H13). The positioning column 311 penetrates through the workpiece 32. The positioning column 311 is precisely machined, which ensures accurate positioning and stability of the workpiece 32 during riveting.

[0047] Referring to Figures 1-7 , the riveting block 44 includes a connecting plate 441 connected to the bottom of the pressing plate 43, the connecting plate 441 is made of heat-treated steel (model: 45#), which has high strength and durability, and the lower end surface of the connecting plate 441 is fixedly connected with a riveting head 442 in a symmetrical manner, the riveting head 442 is made of hardened steel (model: Cr12MoV), the riveting head 442 corresponds to the riveting column 321, and the riveting head 442 ensures the close combination of the reinforcing plate 33 and the workpiece 32 through pressure. The shape and size of the riveting head 442 are accurately designed according to the specifications of the riveting column 321, to ensure stability and efficiency during riveting.

[0048] Referring to Figures 1-7 , the upper end surface of the pressing plate 43 is fixedly connected with a guide column 431 in a symmetrical manner, the guide column 431 is made of stainless steel (model: 304), and the guide column 431 is arranged through the mounting bracket 41. The guide column 431 functions to ensure that the pressing plate 43 maintains an accurate vertical direction during movement, avoids deviation of the pressing plate 43 due to poor guidance, and ensures the accuracy of the butt joint between the pressing plate 43 and the riveting block 44.

[0049] Referring to Figures 1-7 , the upper end surface of the support frame 1 is provided with a blanking mechanism 5; the blanking mechanism 5 is located at the last process of the tooling, and is mainly used for accurately transferring the riveted workpiece 32 and the reinforcing plate 33 to the blanking area. The upper end surface of the support frame 1 is fixedly connected with a stand 11, the stand 11 is made of high-strength aluminum alloy material (model: 6061-T6) to improve its stability and corrosion resistance. The blanking mechanism 5 includes a transverse moving mechanism 51 connected to the top side of the stand 11, the transverse moving mechanism 51 is an electric sliding rail with a model of RKS-600, which can accurately control the distance and speed of transverse movement. The telescopic end of the transverse moving mechanism 51 is connected with a longitudinal moving mechanism 52, the longitudinal moving mechanism 52 is a pneumatic actuator with a model of SY3B-63, which can provide sufficient moving thrust and work in coordination with the transverse moving mechanism 51 to realize complex spatial motion. The telescopic end of the longitudinal moving mechanism 52 is connected with a double-head pneumatic cylinder 53, the double-head pneumatic cylinder 53 is a pneumatic cylinder with a model of QYB-63, which has high load capacity and accurate control ability, and can drive the clamping plate 531 to accurately clamp the processed workpiece 32 and move it to the blanking area. The two ends of the double-head pneumatic cylinder 53 are connected with clamping plates 531, the clamping plates 531 are made of aluminum alloy material (model: 6061), which has good strength and lightness and can accurately clamp the riveted workpiece 32.

[0050] The upper end face of the support frame 1 is provided with a guide plate 12, the guide plate 12 is made of wear-resistant steel (model number: 45#), the guide plate 12 is located directly below the double-head cylinder 53, plays a role in guiding the workpiece 32 to slide into the blanking box, ensures the smoothness in the blanking process, avoids that the workpiece 32 is stuck or displaced. The guide plate 12 is treated specially, the surface is smooth, can effectively reduce the friction of the workpiece 32 in the sliding process, guarantees the high efficiency and safety of blanking.

[0051] The working principle of the utility model is:

[0052] In use, the workpiece 32 to be processed is placed on the support block 31 arranged on the top of the base 3, and the positioning column 311 arranged on the upper end face of the support block 31 penetrates the workpiece 32, and then the reinforcing plate 33 is sleeved on the riveting column 321;

[0053] Under the driving of the motor 22 arranged at the bottom of the rotating disc 21, the motor 22 can be rotated, when the base 3 is rotated to be directly below the pressing plate 43;

[0054] The cylinder 42 drives the pressing plate 43 to move downwards, with the movement of the pressing plate 43, the riveting pressure head 442 located at the lower end face of the pressing plate 43 extrudes the riveting column 321, with the increase of the pressure of the cylinder 42, the riveting column 321 is deformed, and then the reinforcing plate 33 and the workpiece 32 are tightly connected together;

[0055] The riveted workpiece 32 and the reinforcing plate 33 are transferred to the position where the blanking mechanism 5 is located, at this time, under the cooperation of the transverse moving mechanism 51 and the longitudinal moving mechanism 52, the double-head cylinder 53 is moved to be directly above the support block 31, and the clamping plate 531 is driven by the double-head cylinder 53, the connected workpiece 32 is clamped on the guide plate 12, and then is slid into the material collecting box located below the guide plate 12;

[0056] In this way, not only the space occupation can be reduced, but also the riveting efficiency of the workpiece 32 and the reinforcing plate 33 can be improved.

[0057] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, without special description and limitation.

Claims

1. A multi-station automotive part machining tool, characterized by: Including support frame (1), support frame (1) is provided with rotating platform (2), rotating platform (2) includes rotating disc (21) rotationally connected on the upper end surface of support frame (1), the bottom of rotating disc (21) is provided with motor (22) for driving rotating disc (21) rotation; The upper end surface of rotating disc (21) is provided with base (3) at equal intervals around the central axis, and the base (3) is used for placing the workpiece to be processed; The upper end surface of the support frame (1) is provided with a pressing mechanism (4), the pressing mechanism (4) includes a mounting frame (41) connected to the upper end surface of the support frame (1), the top of the mounting frame (41) is connected with a cylinder (42), the telescopic end of the cylinder (42) is connected with a pressing plate (43), the lower end surface of the pressing plate (43) is connected with a riveting block (44).

2. The multi-station tooling fixture of claim 1, wherein: The upper end surface of the rotating disc (21) is provided with a positioning through slot (211), and the positioning through slot (211) is used for limiting the position of the base (3).

3. The multi-station tooling fixture of claim 2, wherein: The top of the base (3) is fixedly connected with a support block (31), the top of the support block (31) is provided with a workpiece (32) to be processed, the upper end surface of the workpiece (32) is fixedly connected with a riveting column (321) in a symmetrical manner, and a reinforcing plate (33) is sleeved on the riveting column (321). The upper end surface of the support block (31) is fixedly connected with a positioning column (311) in a symmetrical manner, and the positioning column (311) penetrates through the workpiece (32).

4. The multi-station tooling fixture of claim 3, wherein: The riveting block (44) includes a connecting plate (441) connected to the bottom of the pressing plate (43), the lower end surface of the connecting plate (441) is fixedly connected with a riveting head (442) in a symmetrical manner, and the riveting head (442) corresponds to the riveting column (321).

5. The multi-station tooling fixture of claim 1, wherein: The upper end surface of the pressing plate (43) is fixedly connected with a guide column (431) in a symmetrical manner, and the guide column (431) penetrates through the mounting frame (41).

6. The multi-station automotive part machining tooling apparatus of claim 1, wherein: The upper end surface of the support frame (1) is provided with a blanking mechanism (5); The upper end surface of the support frame (1) is fixedly connected with a vertical column (11); The blanking mechanism (5) includes a horizontal moving mechanism (51) connected to the top side of the vertical column (11), a vertical moving mechanism (52) connected to the telescopic end of the horizontal moving mechanism (51), a double-head cylinder (53) connected to the telescopic end of the vertical moving mechanism (52), and a clamping plate (531) connected to both ends of the double-head cylinder (53); The upper end surface of the support frame (1) is provided with a guide plate (12), and the guide plate (12) is located directly below the double-head cylinder (53).

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